Illuminated sign



FIG. 1 is a perspective view of an illuminated sign showing my new design, with the broken line showing for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front elevational view thereof, showing one of the rear sign panels placed in front of the front sign panel visible in FIG. 4. 

The ornamental design of an illuminated sign, as shown and described. 